Home / 118,892,626.70-178,338,940.05-54,322,545.20

Finding the Fourth Proportional to 118,892,626.70, 178,338,940.05 and 54,322,545.20

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Solution

The fourth proportional to 118,892,626.70, 178,338,940.05 and 54,322,545.20 is: 81,483,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,892,626.70 : 178,338,940.05 = 54,322,545.20 : x
  2. Step 2: Convert to fraction form
    118,892,626.70/178,338,940.05 = 54,322,545.20/x
  3. Step 3: Cross multiply
    118,892,626.70x = 178,338,940.05 × 54,322,545.20
  4. Step 4: Simplify right side
    118,892,626.70x = 9,687,825,131,786,216
  5. Step 5: Solve for x
    x = 9,687,825,131,786,216/118,892,626.70
  6. Step 6: Final answer
    x = 81,483,817.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.